Patents by Inventor Yositaka Fukuma

Yositaka Fukuma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4261036
    Abstract: An electronic cash register comprises a control switch for allowing and prohibiting printing and issuance of a receipt according to input data introduced by input keys and a delay circuit for deferring operation of the control switch for a predetermined period of time of the actuation of the control switch. The delay circuit provides accurate control for the allowance and prohibition of receipt printing and issuing operation independently of actuation timings when the control switch is energized, thereby preventing random printing and publication of the receipt dependently on the timed relationship of actuation of the control switch.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: April 7, 1981
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takakazu Nagasaka, Yositaka Fukuma, Daisuke Mochizuki
  • Patent number: 4194176
    Abstract: Only one lockable key switch is provided to which plural kinds of operator clerk keys held by cashiers and a master clerk key held by an administrator are inserted. The lockable key switch develops a signal representative of the inserted clerk key for identifying a cashier operating the electronic cash register. Nonlockable switches are formed on a keyboard panel for introducing a clerk specifying signal when the master clerk key is inserted into the lockable key switch.
    Type: Grant
    Filed: October 27, 1978
    Date of Patent: March 18, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yositaka Fukuma